//index.js
//获取应用实例
const app = getApp();
var com = require('../../utils/common.js');
var linkText = com.linkText;
Page({
  data: {
    userInfo: {},
    hasUserInfo: false,
    canIUse: wx.canIUse('button.open-type.getUserInfo'),
    beShow: true,
  },
  // 事件函数
  toChoose: function(){
    wx.navigateTo({
      url: '../choose/choose'
    });
  },
  
  noGet: function(){
    this.setData({
      userInfo: app.globalData.userInfo,
      hasUserInfo: true
    });
  },
 
  // 页面第一次加载
  onLoad: function () {

    if (app.globalData.userInfo) {
      this.setData({
        userInfo: app.globalData.userInfo,
        hasUserInfo: true
      })
    } else if (this.data.canIUse) {
      // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
      // 所以此处加入 callback 以防止这种情况
      app.userInfoReadyCallback = res => {
        this.setData({
          userInfo: res.userInfo,
          hasUserInfo: true
        })
      }
    } else {
      // 在没有 open-type=getUserInfo 版本的兼容处理
      wx.getUserInfo({
        success: res => {
          app.globalData.userInfo = res.userInfo
          this.setData({
            userInfo: res.userInfo,
            hasUserInfo: true
          })
        }
      })
    }
  },
  getUserInfo: function (e) {
    app.globalData.userInfo = e.detail.userInfo
    this.setData({
      userInfo: e.detail.userInfo,
      hasUserInfo: true
    })
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function(res){
    var random = parseInt(Math.random() * 3 + 1);
    console.log(res);
    if (res.from === 'button') {
      // 来自页面内转发按钮
    }
    return {
      title: linkText[random],
      imageUrl: '../../images/forward.png',
      path: '/pages/index/index',
      success: function (e) {
        var shareTickets = res.shareTickets;
        if (shareTickets.length == 0) {
          return false;
        }
        wx.getShareInfo({
          shareTicket: shareTickets[0],
          success: function (res) {
            var encryptedData = res.encryptedData;
            var iv = res.iv;
          }
        });
        wx.showShareMenu({
          withShareTicket: true
        });
      },
    }
  }
  
})
